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High-Quality Inner and Outer Rings for Spiral Wound Gaskets
US$0.05
1,000 Pieces
Product profile
Customization
AvailableMaterial
Ss304, Ss316, Ss316L, CS etcApplication
ElectricModel NO.
SUNWELL-SWR640Type
Stationary SealPerformance
High PressureShape
O-RingStandard
StandardCertificate
API ISO9001Thickness
2mm/3mmProducts Name
Inner and Outer Ring for Spiral Wound GasketsColor
ASME StandardDelivery Time
According Your RequestGasket Type
R IR Cg CgiTransport
EXW Fob CFR CIFService
Best ServiceTransport Package
Wooden CaseSpecification
Standard, ASME. DIN. JIS etcTrademark
SUNWELLOrigin
ChinaHS Code
84841000Production Capacity
800000PCS/MonthKey features
Customizable Thickness: Thickness can be customized to 2mm or 3mm according to specific requirements.
OEM and ODM Support: We accept OEM and ODM orders to meet your specific design and branding needs.
High Production Capacity: Annual capacity of 4.5 million gaskets with a monthly output of 300,000 PCS.
Multiple Material Options: Available in SS304, SS316, SS316L, and Carbon Steel to suit various applications.
Flexible Manufacturing Process: Rings can be made by punching, lathe, or bending and welding for cost-effective solutions.
Quality Certification: ISO9001:2015, ISO 14000, and ISO 18000 approved with strict IQC-LQC-FQC-OQC control.
Wide Size Range: Standard sizes available from 1/2'' to 24'' for inner and outer rings.
Coating Options: Rings can be provided with or without zinc coating and powder coating.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2011-01-01Nearest Port: Shanghai, NingboAverage Response Time: ≤24hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others
AI-Powered supplier vetting
SummaryNingbo Sunwell Sealing Materials Co., Ltd. is identified primarily as a China-based manufacturer of sealing and heat-preservation products, although one record classifies it as a trading company. The supplier reports ISO 9001 certification, more than 10 production lines, 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces in annual output, and 6–10 R&D engineers and quality-control staff. It has reported export activity since 2011, self-operated import/export rights, and exports representing 51%–70% of total sales. The company states that it supports OEM and ODM orders and provides engineering assistance, but the supplied records do not independently verify these claims. Buyer and transaction evidence is limited, and the records provide insufficient information to assess financial strength or after-sales performance. No financial figures are included.
CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a certified management system and supports a positive assessment for this field.
R&D capabilityThe supplier reports 6–10 R&D engineers and describes itself as engaged in research and development across multiple sealing-product categories. It also offers engineering assistance according to its company description, providing explicit but largely self-reported evidence of innovation capability.
Production capacityThe supplier reports more than 10 production lines and annual output of 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces. It also identifies itself as a manufacturer and reports export operations since 2011, providing explicit evidence of substantial production capability.
Customization capabilityThe supplier explicitly states that it accepts OEM and ODM orders and can provide engineering assistance for customer applications. This directly supports the availability of customization services, although the records do not specify technical scope, tooling capability, or examples of completed customized projects.
Product Q&A
Q:What materials are available for the inner and outer rings?
A:
We offer rings made from SS304, SS316, SS316L, and Carbon Steel (CS) to meet different application needs.
Q:Can the thickness of the rings be customized?
A:
Yes, the thickness can be customized to 2mm or 3mm according to your specific requirements.
Q:What is the production capacity of SUNWELL SEALS?
A:
We have an annual capacity of 4.5 million gaskets and a monthly production capability of 300,000 PCS.
Q:Do you accept OEM and ODM orders?
A:
Yes, we accept both OEM and ODM orders to provide customized solutions for our clients.
Q:What certifications does the company hold?
A:
We are ISO9001:2015, ISO 14000, and ISO 18000 approved, ensuring high quality standards.
Send Inquiry
*To:
Ningbo Sunwell Sealing Materials Co., Ltd.
Ningbo Sunwell Sealing Materials Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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